Firefly Mobile X626 vs vivo Y21d: Side by Side Specs Comparison

This is a side-by-side smartphone specs comparison of the Firefly Mobile X626 and vivo Y21d.

The Firefly Mobile X626 has a 5.5-inch display, MediaTek MT6797 (Helio X20) processor, cameras, 4G LTE connectivity, and 3000mAh battery.

Meanwhile, the vivo Y21d has a 6.68-inch display, UNISOC T7225 (12 nm) processor, dual cameras, 4G LTE connectivity, and 6500mAh battery.


Specs Firefly Mobile X626 vivo Y21d
Picture Firefly Mobile X626
3/5 stars (5 ratings)
× vivo Y21d
3.5/5 stars (16 ratings)
Screen 5.5-inch FHD IPS LCD Display (1080 x 1920 Pixels, 401 ppi) 6.68-inch HD+ IPS LCD Display (720 x 1608 Pixels, 264 ppi) with Guardian Glass, 90Hz Refresh Rate, 1000nits HBM, and punch-hole
OS Android 6.0 Marshmallow Android 15 with Funtouch OS 15
Chipset MediaTek MT6797 (Helio X20) UNISOC T7225 (12 nm)
CPU Deca Core CPU
2x Cortex-A72 @ 2.1GHz , 4x Cortex-A53 @ 1.84GHz & 4x Cortex-A53 @ 1.4GHz
Octa Core CPU
2x Cortex-A75 @ 1.8GHz & 6x Cortex-A55 @ 1.8GHz
GPU Mali-T880 MP4 Mali-G52 MP1
RAM 4 GB 4GB or 6GB of RAM
Rear Camera 21.0 Megapixels
Phase Detection Autofocus
Dual LED Flash
Dual Cameras:
50MP Main Camera (f/1.8 aperture, Autofocus)
VGA auxiliary camera
-Dual LED Flash
-Up to 1080p@30fps video recording
Front Camera 8.0 Megapixels with Fixed Focus
5 Megapixels (f/2.2 aperture)
- Up to 1080p@30fps video recording
Storage 32GB 128GB or 256GB (eMMC 5.1)
Expansion None 2TB via microSD
SIM Dual SIM (Nano-SIM) Dual SIM (Nano-SIM)
Networks 4G LTE, 3G HSPA+, 2G EDGE & GPRS Networks 4G LTE, 3G HSPA+, 2G EDGE & GPRS Networks
Wi-Fi Wi-Fi 802.11 b/g/n Wi-Fi 802.11 b/g/n/ac (dual band)
NFC No No
Bluetooth Bluetooth 4.2 Bluetooth 5.2
Infrared No
Position A-GPS GPS, GLONASS, GALILEO, BeiDou, QZSS
USB OTG Yes Yes
USB MicroUSB 2.0 USB Type-C
3.5mm Audio Jack Yes No
Audio Enhancement Dolby Atmos Dual Speakers, Up to 400% volume
FM Radio No Yes
Sensors Fingerprint Sensor
Proximity Sensor & Ambient Light Sensor
Compass & Accelerometer
Face Recognition & Fingerprint Sensor
Proximity Sensor & Ambient Light Sensor
Compass & Accelerometer
Ring notification LED (Dynamic Light)
Battery 3000 mAh Li-Po Battery (Non-removable)
Fast Charging
6500 mAh (Non-removable)
44W Fast Charging (50% in 38 minutes)
Material Metal and Glass Glass front, Plastic composite back (IP68/IP69 dust & water resistance, SGS 5-star Drop Resistance, MIL-STD-810H Shock Resistance)
Size 151 x 74 x 7.5 mm 166.14 x 77.01 x 8.39 mm
Weight 153 g 209 g
Colors Gold Glowing Black, Lavender Purple
Release Date September 14, 2017 September 28, 2025
Price 7,999.00 - Official Price in the Philippines 6,999.00 - Official price of 4GB+128GB version in the Philippines
8,999.00 - Official price of 6GB+256GB version in the Philippines
Buy Online Firefly Mobile X626 on Lazada
Firefly Mobile X626 on Shopee
vivo Y21d on Lazada
vivo Y21d on Shopee


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